Hi all, I have a host with 2 M60 with the latest supported driver installed, and working as you can see: root@esxh-03 vdsm]# lsmod | grep vfio nvidia_vgpu_vfio 49475 0 nvidia 16633974 1 nvidia_vgpu_vfio vfio_mdev 12841 0 mdev 20336 2 vfio_mdev,nvidia_vgpu_vfio vfio_iommu_type1 22300 0 vfio 32656 3 vfio_mdev,nvidia_vgpu_vfio,vfio_iommu_type1 [root@esxh-03 vdsm]# nvidia-smi Mon Jan 14 17:39:30 2019 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 410.91 Driver Version: 410.91 CUDA Version: N/A | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | |===============================+======================+======================| | 0 Tesla M60 Off | 00000000:05:00.0 Off | Off | | 16% 27C P0 41W / 120W | 14MiB / 8191MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 1 Tesla M60 Off | 00000000:06:00.0 Off | Off | | 17% 24C P0 39W / 120W | 14MiB / 8191MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 2 Tesla M60 Off | 00000000:84:00.0 Off | Off | | 15% 28C P0 41W / 120W | 14MiB / 8191MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 3 Tesla M60 Off | 00000000:85:00.0 Off | Off | | 16% 25C P0 40W / 120W | 14MiB / 8191MiB | 0% Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | No running processes found | +-----------------------------------------------------------------------------+ But the issue is that when I do : # vdsm-client Host hostdevListByCaps I don't see any "mdev" device. Also the directory /sys/class/mdev_bus is not existing. Am I missing something ? Cheers.